Difficulty: Easy
Correct Answer: Both statements I and II are effects of a common cause.
Explanation:
Given data
Concept / Approach
A common cause—people being off work on weekends and busy on weekdays—simultaneously explains higher weekend visits and lower weekday visits.
Step-by-step check of options
A/B: Neither weekend traffic causes weekday paucity nor vice versa. ✖ C/D: They are not independent causes/effects; both reflect the weekly work–leisure cycle. ✖ E: Both are effects of a common cause (weekly schedule/availability). ✔
Final Answer
Both statements I and II are effects of a common cause.
Discussion & Comments